Home / 854,801.87-1,281,021.82-742,215.11

Finding the Fourth Proportional to 854,801.87, 1,281,021.82 and 742,215.11

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Solution

The fourth proportional to 854,801.87, 1,281,021.82 and 742,215.11 is: 1,112,297.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,801.87 : 1,281,021.82 = 742,215.11 : x
  2. Step 2: Convert to fraction form
    854,801.87/1,281,021.82 = 742,215.11/x
  3. Step 3: Cross multiply
    854,801.87x = 1,281,021.82 × 742,215.11
  4. Step 4: Simplify right side
    854,801.87x = 950,793,742,783.05
  5. Step 5: Solve for x
    x = 950,793,742,783.05/854,801.87
  6. Step 6: Final answer
    x = 1,112,297.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.